Envelope-stripped, core-collapse SNe (i.e. Type Ibc SNe) were recognized as a distinct flavor of core-collapse explosions 25 years ago. SNe Ibc have only recently enjoyed a surge of interest thanks to their association with Gamma-Ray Bursts (GRBs). The peculiar circumstances that enable a small fraction of SNe Ibc to launch a relativistic jet are not understood. Along the same line, the progenitors of SNe Ibc and their relation to those of GRBs have yet to be observationally identified. Here we propose a focused XMM program to enable progress. The primary goals are to (i) populate the gap between ordinary type Ibc SNe and GRBs and (ii) to probe the diversity of the environment of ordinary SNe arising from envelope-stripped progenitors.
|Effective start/end date||9/12/16 → 9/11/18|
- NASA Goddard Space Flight Center (NNX16AT58G)
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